<template>
  <ul class="todo-list">
    <!-- completed: 完成的类名 -->
    <li :class="{completed:item.isDone}" v-for="item in arr" :key="item.id">
      <div class="view">
        <input class="toggle" type="checkbox" v-model="item.isDone"/>
        <label>{{item.name}}</label>
        <button class="destroy" @click="del(item.id)"></button>
      </div>
    </li>
  </ul>
</template>

<script>
export default {
  props: {
    arr: {
      type: Array,
    },
  },
	methods:{
			del(id){
				this.$emit('del',id)
			}
	}
};
</script>
